
Install the QDC Module
Chapter 2
2-7
Figure 2.3
I/O Wiring and Grounding
Customer
PS
Screw
Position
Sensor
Screw
Pressure
Sensor
Screw
RPM
Sensor
Amplifier
Valve 1
Amplifier
Valve 2
Customer
PS
Earth Ground
Input 1
Input 2
Input 3
To Valve 1
To Valve 2
Output 1
Output 2
Wiring Arm
1771WF
+
–
+
–
+
–
+
–
+
–
+
–
+
+
+
–
+
Amplifier
Valve 4
To Valve 4
Output 4
+
–
+
Amplifier
Valve 3
To Valve 3
Output 3
Input 4
+
–
Cavity
Pressure
Sensor
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
–
+
–
–
–
–
10909I